Update search parameters in get_city_news function to use advanced search depth

app.py

@@ -71,8 +71,8 @@ def get_city_news(city_name):
         # Perform the search
         response = client.search(
             query=search_query,
-            search_depth="basic",
-            max_results=5,  # Limit to top 5 results
+            search_depth="advanced",
+            max_results=5,
         )
 
         # Extract relevant information from search results